What you are saying now is that the Spanish men like it that Lisa can speak Spanish.
And it should be 'kan spreken' instead of 'kunt spreken'.
(ik kan, jij kan, zij kan, ...)
If you want to say impress, it would be: de Spaanse mannen zijn ervan onder de indruk dat Lisa Spaans kan spreken.
If you have any other questions, feel free to ask me!